77847847

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 102435840

約数和(自身を除く): 24587993

約数列:

[1, 7, 11, 23, 77, 113, 161, 253, 389, 791, 1243, 1771, 2599, 2723, 4279, 8701, 8947, 18193, 28589, 29953, 43957, 62629, 98417, 200123, 307699, 483527, 688919, 1011011, 3384689, 7077077, 11121121, 77847847]

約数ペア:

[(1, 77847847), (7, 11121121), (11, 7077077), (23, 3384689), (77, 1011011), (113, 688919), (161, 483527), (253, 307699), (389, 200123), (791, 98417), (1243, 62629), (1771, 43957), (2599, 29953), (2723, 28589), (4279, 18193), (8701, 8947)]